In which of the following pairs are the two terms equivalent?
A) ovule — egg
B) embryo sac — female gametophyte
C) seed — zygote
D) microspore — pollen grain
B
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Which of the following is typically a main function of stems?
a. movement b. absorption of minerals c. storage of water and food d. energy capture
Lactose, a sugar in milk, is composed of one glucose molecule joined by a glycosidic linkage to one galactose molecule. How is lactose classified?
A) as a pentose B) as a hexose C) as a monosaccharide D) as a disaccharide E) as a polysaccharide
What is the final stage in ecological succession?
a. Repopulation of an area b. Early colonization c. A natural disturbance d. Climax community
A flock of crows attacking a great horned owl is an example of
A. stotting. B. dribbling. C. bobbing. D. cavorting. E. mobbing.